Home / 159,370.47-238,891.68-70,665.75

Finding the Fourth Proportional to 159,370.47, 238,891.68 and 70,665.75

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Solution

The fourth proportional to 159,370.47, 238,891.68 and 70,665.75 is: 105,925.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,370.47 : 238,891.68 = 70,665.75 : x
  2. Step 2: Convert to fraction form
    159,370.47/238,891.68 = 70,665.75/x
  3. Step 3: Cross multiply
    159,370.47x = 238,891.68 × 70,665.75
  4. Step 4: Simplify right side
    159,370.47x = 16,881,459,735.96
  5. Step 5: Solve for x
    x = 16,881,459,735.96/159,370.47
  6. Step 6: Final answer
    x = 105,925.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.